//
//  AppDelegate.swift
//  Weibo
//
//  Created by 黄亦寒 on 16/9/19.
//  Copyright © 2016年 HM. All rights reserved.
//

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?


    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {

        //从沙盒获取用户对象
//        let userAccount = HMUserAccount.loadUserAccount()
//        print(userAccount)
        //接收通知
        NotificationCenter.default.addObserver(self, selector: #selector(switchRootVC(noti:)), name: NSNotification.Name(SwitchRootVCNotification), object: nil)
        window = UIWindow(frame:UIScreen.main.bounds)
        //设置window根控制器
        //let tabbarVc = HMMainViewController()
        let tabbarVc = HMWelcomeViewController()
        window?.rootViewController = tabbarVc
        //设置主window并显示
        window?.makeKeyAndVisible()
        return true
    }

    //选择根控制器的方法
    @objc private func switchRootVC(noti:Notification) {
        //取到发出通知的对象
        let vc = noti.object
        //根据对象选择根控制器
        if vc is HMOAuthViewController {
            //如果发出通知的对象是开放授权控制器就进入欢迎界面
            window?.rootViewController = HMWelcomeViewController()
        }else{
            //如果发出通知的对象是欢迎界面控制器就进入首页
            window?.rootViewController = HMMainViewController()
        }
        
    }
    
    deinit {
        //移除通知
        NotificationCenter.default.removeObserver(self)
    }
    
    func applicationWillResignActive(_ application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
    }

    func applicationDidEnterBackground(_ application: UIApplication) {
        //进入后台删除缓存数据
        HMStatusDAL.clearCacheData()
    }

    func applicationWillEnterForeground(_ application: UIApplication) {
        // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(_ application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(_ application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }


}

